CN101901715A - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN101901715A CN101901715A CN2009102080480A CN200910208048A CN101901715A CN 101901715 A CN101901715 A CN 101901715A CN 2009102080480 A CN2009102080480 A CN 2009102080480A CN 200910208048 A CN200910208048 A CN 200910208048A CN 101901715 A CN101901715 A CN 101901715A
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- Prior art keywords
- upper side
- beam body
- isolation beam
- circuit breaker
- insulating frame
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/01—Frameworks
- H02B1/011—Open support bases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0044—Casings; Mountings; Disposition in transformer housing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/018—Printed contacts; Metal foil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
A circuit breaker is capable of solving technical problems that the existing circuit breaker is unable to increase aeration area and improve cooling performance. The circuit breaker of the invention comprises first upper side isolation beams (21) stridingly arranged among side plates (20b) on the upper side of substrates (20) of an isolation frame (20), central parts (21a) are arranged on end parts (22a) of upper side terminal conductors (22); and second upper side isolation beam (23), arranged on the upper sides of the side plates (21b) of the isolation frame (20) and U-shaped opening ends stridingly arranged among side plates (20b), and the central parts (23a) are provided with middle parts (22b) of the upper side terminal conductors (22) projecting from the end parts (22a) of the upper side terminal conductors (22).
Description
Technical field
The present invention relates to a kind of delivery electricity equipment that electric power uses or circuit breaker of power receiving equipment of for example being applied to, relate in particular to the structure of the insulating frame of circuit breaker.
Background technology
As existing circuit breaker, a kind of circuit breaker such as Figure 17～shown in Figure 19 are arranged.Figure 17 is the side cross-sectional view of the major part of circuit breaker, Figure 18 be the A-A of Figure 17 to view, Figure 19 is the vertical view of Figure 17.Among each figure, symbol 1 is a vacuum interrupter, and symbol 2 is that the horizontal direction cross section respectively constitutes the roughly insulating frame of U word shape mutually, is formed by substrate 2a, side plate 2b.Symbol 2c is the upper end of insulating frame 2, and symbol 2d is the openend of the horizontal direction of side plate 2b, and symbol 2e is that the lower side at the upper end of insulating frame 2 2c is located at the through hole on the substrate 2a, and symbol 2f is that the lower side at insulating frame 2 is located at the through hole on the substrate 2a.Symbol 3 is arranged on the fixation side end of vacuum interrupter 1, the fixed side electrode that axial end portion has contact-making surface, symbol 4 is movable electrode rods, symbol 5 is movable side terminal accessories of installing with the form that movable electrode rod 4 is clamped from both sides, symbol 6 is flexibility conductors that a side is connected with movable side terminal accessory 5, and symbol 7 is and movable electrode rod 4 insulating bars that are connected.
Its upper surface of side plate 2b chien shih that symbol 8 is provided in a side of insulating frame 2 be positioned at insulating frame 2 upper end 2c lower side and be positioned at the conductor installation portion of same horizontal level with the lower end of through hole 2e, symbol 9 is that the corner part that is located at the substrate 2a of insulating frame 2 and side plate 2b respectively makes the upper surface of its upper surface and conductor installation portion 8 be positioned at the conductor installation portion of same horizontal level, and symbol 10 is provided in a side of the conductor installation portion that the upper end that makes the through hole 2f of its lower surface and insulating frame 2 on the substrate 2a of insulating frame 2 is positioned at same horizontal level.Symbol 11 is to insert logical cylindrical shell by the last side conductor that the insulation material of being located at the through hole 2e portion on the substrate 2a that is formed on insulating frame 2 forms, and symbol 12 is to insert logical cylindrical shell by the following side conductor that the insulation material of being located at the through hole 2f portion on the substrate 2a that is formed on insulating frame 2 forms.
The side of plane 16a of upper side terminal conductor 16 is by 8 carryings of the conductor installation portion between the side plate 2b that is located at insulating frame 2, opposite side is by conductor installation portion 9 carryings of the corner part of substrate 2a that is located at insulating frame 2 respectively and side plate 2b, lead to by bolt 17 and nut 18 are inserted from the below of conductor installation portion 8 and conductor installation portion 9, screw and be connected on plane the 16a, make plane 16a of upper side terminal conductor 16 firmly be installed on conductor installation portion 8 and the conductor installation portion 9.In addition, the lower surface of plane 16a of upper side terminal conductor 16 is as the maintenance face 16d of vacuum interrupter 1, and the upper surface butt with the fixed plate electrode 3 of vacuum interrupter 1 fixedly secures by bolt 19 between the two.
In the existing circuit breaker of this kind structure, upper side terminal conductor 16 is installed on the conductor installation portion 8, conductor installation portion 9 of the lower side of the upper end 2c that is located at insulating frame 2, and conductor installation portion 8 is located at the central part side of substrate 2a side with respect to the openend 2d of the horizontal direction of insulating frame 2, in addition, upper side terminal conductor 16 is made of plane 16a.When vacuum interrupter 1 being installed to the lower face side of plane 16a of upper side terminal conductor 16, the gap that forms between the side plate 2b of vacuum interrupter 1 and insulating frame 2, conductor installation portion 8 and the conductor installation portion 9 is very little.Undertaken from the below in above-mentioned gap towards the ventilation of top, with cooling upper side terminal conductor 16 by the free convection in the circuit breaker.
Patent documentation 1: Japanese patent laid-open 11-40019 communique
In the above-mentioned existing circuit breaker, upper side terminal conductor 16 is installed in the conductor installation portion 8 of the lower side of the upper end 2c that is located at insulating frame 2, on the conductor installation portion 9, and conductor installation portion 8 is located at the central part side of substrate 2a side with respect to the openend 2d of the horizontal direction of insulating frame 2, in addition, upper side terminal conductor 16 is made of plane 16a, therefore, when vacuum interrupter 1 being installed to the lower face side of plane 16a of upper side terminal conductor 16, the side plate 2b of vacuum interrupter 1 and insulating frame 2, the gap that forms between conductor installation portion 8 and the conductor installation portion 9 is very little, can not increase by free convection from the below in above-mentioned gap required ventilation area during square tube gas up.Particularly the substrate 2a side owing to insulating frame 2 exists plane 16a by upper side terminal conductor 16 to give prominence to the protuberance 16a1 that forms towards side plate 2b, therefore is in the state that can not ventilate substantially.Consequently, the cooling performance of upper side terminal conductor 16 must reduce, the cooling performance of circuit breaker integral body also can reduce, so that when the temperature rising value that becomes standard code for the temperature rising value that makes circuit breaker is following, the electrical current value must be reduced, the problem of the energising performance reduction of circuit breaker can be produced.
In addition, in the existing circuit breaker, because the substrate 2a from insulating frame 2 derives towards the outside with upper side terminal conductor 16 and lower side terminal conductor 13, therefore need on the substrate 2a of insulating frame 2, form through hole 2e and 2f, need be provided with simultaneously that the upside that is formed by the insulation material is inserted logical cylindrical shell 11 and downside is inserted logical cylindrical shell 12 in through hole 2e portion and 2f portion, exist to comprise that upside inserts the technical problem that logical cylindrical shell 11 and downside are inserted the complicated integral structure of the insulating frame 2 that leads to cylindrical shell 12, conductor installation portion 8, conductor installation portion 9, conductor installation portion 10.
Summary of the invention
The present invention does for solving the problems of the technologies described above, and can be purpose by the circuit breaker of simple structure raising cooling performance to provide a kind of.
Circuit breaker of the present invention comprises: constituted by the pair of side plates of substrate and relative configuration on the direction vertical with aforesaid substrate that the horizontal direction cross section is roughly U word shape, end has the insulating frame of opening in vertical direction; Be configured in the vacuum interrupter in the above-mentioned insulating frame; And the upper side terminal conductor and the lower side terminal conductor that are connected and are exported to the outside with the upper end of above-mentioned vacuum interrupter with the bottom, above-mentioned circuit breaker comprises: the 1st upper side isolation beam body, its substrate upper end at above-mentioned insulating frame is crossed on above-mentioned side sheet room, and central portion is equipped with an end of above-mentioned upper side terminal conductor; The 2nd upper side isolation beam body, it is in the side plate of above-mentioned insulating frame upper end and be that above-mentioned U word shape openend is crossed on above-mentioned side sheet room, and central portion is equipped with the pars intermedia of the above-mentioned upper side terminal conductor that stretches out from an end of above-mentioned upper side terminal conductor.
In the circuit breaker of the present invention, adopted the structure that the 1st upper side isolation beam body and the 2nd upper side isolation beam body are set, the 1st upper side isolation beam body is crossed on side sheet room in the substrate upper end of insulating frame, central portion is equipped with an end of upper side terminal conductor, the 2nd upper side isolation beam body is in the side plate of insulating frame upper end and be that U word shape openend is crossed on side sheet room, central portion is equipped with the pars intermedia of the upper side terminal conductor that stretches out from an end of upper side terminal conductor, therefore, can obtain a kind of circuit breaker that improves aeration and can significantly improve cooling performance.In addition, can also obtain a kind of simply constructed insulating frame.
Description of drawings
Fig. 1 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 1.
Fig. 2 is the front view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 1.
Fig. 3 is the vertical view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 1.
Fig. 4 is the end view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 1.
Fig. 5 is the vertical view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 2.
Fig. 6 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 3.
Fig. 7 is the front view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 3.
Fig. 8 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 4.
Fig. 9 is the front view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 4.
Figure 10 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 5.
Figure 11 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 6.
Figure 12 is the vertical view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 6.
Figure 13 is the vertical view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 7.
Figure 14 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 8.
Figure 15 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 9.
Figure 16 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 10.
Figure 17 is the major part side cross-sectional view of expression existing circuit breaker.
Figure 18 is that the A-A of Figure 17 of expression existing circuit breaker is to view.
Figure 19 is the vertical view of expression existing circuit breaker.
(symbol description)
1 vacuum interrupter
20 insulating frames
The 20a substrate
The 20b side plate
21 the 1st upper side isolation beam bodies
The 21a central portion
The 21b both ends
22 upper side terminal conductors
23 the 2nd upper side isolation beam bodies
The 23a central portion
The 23b both ends
24 lower side isolation beam bodies
26 the 1st upper side isolation beam bodies
The 26a central portion
The 26b both ends
27 the 2nd upper side isolation beam bodies
The 27a central portion
The 27b both ends
28 the 1st upper side isolation beam bodies
The 28a central portion
The 28b both ends
29 the 2nd upper side isolation beam bodies
The 29a central portion
The 29b both ends
30 the 1st upper side isolation beam bodies
The 30a central portion
The 30b both ends
31 the 2nd upper side isolation beam bodies
The 31a central portion
The 31b both ends
32 the 1st upper side isolation beam bodies
The 32a central portion
The 32b both ends
33 the 2nd upper side isolation beam bodies
The 33a central portion
The 33b both ends
34 the 1st upper side isolation beam bodies
The 34a central portion
The 34b both ends
35 the 2nd upper side isolation beam bodies
The 35a central portion
The 35b both ends
36 the 1st upper side isolation beam bodies
The 36a central portion
The 36b both ends
37 the 2nd upper side isolation beam bodies
The 37a central portion
The 37b both ends
38 the 1st upper side isolation beam bodies
The 38a central portion
The 38b both ends
39 the 2nd upper side isolation beam bodies
The 39a central portion
The 39b both ends
Embodiment
Below, according to Fig. 1 to Fig. 4 embodiments of the present invention 1 are described.Fig. 1 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 1.Fig. 2 is the front view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 1.Fig. 3 is the vertical view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 1.Fig. 4 is the end view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 1.
Among each figure, symbol 20 is insulating frames, the situation of the three-phase integrated type of expression in the illustrated example.Each is that pair of side plates 20b by relative configuration on substrate 20a and the direction vertical with substrate 20a constitutes the insulating frame 20 that the horizontal direction cross section is opening on roughly U word shape, the vertical direction mutually.Symbol 21 is the 1st upper side isolation beam bodies, is crossed between side plate 20b in the upper end of the substrate 20a of insulating frame 20, and central portion 21a is equipped with an end 22a of for example tabular upper side terminal conductor 22.In the illustrated example, the 1st upper side isolation beam body 21 adopts the central portion 21a structure more outstanding towards the top than both ends 21b, and both ends 21b is configured to skewed.That is, both ends 21b is from the inclined plane of central portion 21a to the side plate 20b of insulating frame 20 side declivity.
Below action is described.In the circuit breaker of above-mentioned execution mode 1, the 1st upper side isolation beam body 21 is crossed between side plate 20b in the upper end of the substrate 20a of insulating frame 20, and the 2nd upper side isolation beam body 23 is in the upper end of the side plate 20b of insulating frame 20 and be that U word shape openend is crossed between side plate 20b.Like this, by adopting the 1st upper side isolation beam body 21 and the 2nd upper side isolation beam body 23 to be configured in the upper end of insulating frame 20 and being positioned at substrate 20a side and the structure of U word shape open end side, simultaneously, to install by not shown union bodies such as bolt across the central portion 21a of the 1st upper side isolation beam body 21 and the 2nd upper side isolation beam body 23 and the upper side terminal conductor 22 of the tabular simple structure on the 23a, the ventilation of the upper end of insulating frame 20 is significantly increased with area with the ventilation of area than above-mentioned existing circuit breaker, simultaneously, upper side terminal conductor 22 is tabular simple structure, there is not the member of the such obstruction ventilation of the protuberance 16a1 of plane 16a of above-mentioned existing circuit breaker middle and upper part side terminal conductor 16, breathing characteristics is significantly improved.
In addition, upper side terminal conductor 22 is positioned at the top of the upper end of insulating frame 20, can significantly improve breathing characteristics, compare with the structure that side plate 2b impales with the below of the upper end that is configured in insulating frame 2 in the above-mentioned existing circuit breaker like that and by the substrate 2a of insulating frame 2, can significantly improve cooling performance.
In addition, central portion 21a by adopting the 1st upper side isolation beam body 21 and the 2nd upper side isolation beam body 23 and 23a are than both ends 21b and the 23b structure outstanding towards the top, make that the position of the central portion 21a be installed in the 1st upper side isolation beam body 21 and the 2nd upper side isolation beam body 23 and the upper side terminal conductor 22 on the 23a is also higher, improve breathing characteristics when ventilation is further increased with area, all cooling performances of upper side terminal conductor 22 and circuit breaker are further improved.
In addition, both ends 21b by making the 1st upper side isolation beam body 21 and the 2nd upper side isolation beam body 23 and 23b become the inclined plane from central portion 21a and 23a towards the side plate 20b side declivity of insulating frame 20, when the water droplet that dewfall produced of the equipment that circuit breaker is set is fallen on the 1st upper side isolation beam body 21 and the 2nd upper side isolation beam body 23, water flows down along the 1st upper side isolation beam body 21 and the both ends 21b of the 2nd upper side isolation beam body 23 and the inclined plane of 23b, can not produce and accumulate, therefore, can obtain can not cause the circuit breaker of the high reliability that insulation property reduce because of dewfall.
In addition, sometimes having dust in the environment around the circuit breaker exists, dust also is difficult for lodging in the 1st upper side isolation beam body 21 and the both ends 21b of the 2nd upper side isolation beam body 23 and the inclined plane of 23b under this situation, can flow down along this inclined plane, can not produce and accumulate, therefore, can obtain can not cause the circuit breaker of the high reliability that insulation property reduce because of dust.
The width of upper side terminal conductor and thickness change corresponding to the rated current that flows in the upper side terminal conductor, in the above-mentioned existing circuit breaker, upper side terminal conductor 16 impales at structure substrate 2a and the side plate 2b that is insulated frame 2 in complicated that become, and freely changes the width of upper side terminal conductor 16 and the thickness very difficulty that becomes corresponding to the load capacity of rated current.But, in the present embodiment 1, owing to the structure that upper side terminal conductor 22 is installed on central portion 21a that has adopted the 1st upper side isolation beam body 21 and the 2nd upper side isolation beam body 23 and the 23a, therefore unencumbered member around, the load capacity that can play corresponding rated current can freely change the effect of the width and the thickness of upper side terminal conductor 22
In addition, owing to adopted the structure that is provided with lower side isolation beam body 24, lower side isolation beam body 24 is in the lower side of the 2nd upper side isolation beam body 23 and be that U word shape openend is crossed between side plate 23b, be used to install the leading-out portion of not shown lower side terminal conductor, therefore by with the cooperating of the 2nd upper side isolation beam body 23, can further improve insulating frame 20 integral intensity and rigidity.
In addition, in order to realize each alternate miniaturization of insulating frame 20, the upper end that the side plate 20b that makes each alternate insulating frame 20 is set stretch out towards the top and the dividing plate 25 that forms to guarantee the creepage distance that insulate.In the time guaranteeing each alternate insulation creepage distance of insulating frame 20 fully, also can reduce the height of dividing plate 25 or dividing plate 25 is not set.
Insulating frame the 20, the 1st upper side isolation beam body the 21, the 2nd upper side isolation beam body 23 and lower side isolation beam body 24 are the structure of one.
According to Fig. 5 embodiments of the present invention 2 are described.Fig. 5 is the vertical view of the circuit breaker of expression embodiment of the present invention 2.
In the present embodiment 2, make with the end 23b of the 2nd upper side isolation beam body 23 of each the alternate adjacent side of side plate 20b that is positioned at insulating frame 20 recessed towards the 1st upper side isolation beam body 21 sides.The pars intermedia 22b of upper side terminal conductor 22 is installed on the central portion 23a of the 2nd upper side isolation beam body 23, disposes another distolateral 22c that pars intermedia 22b from then on stretches out towards not shown main circuit contact side.But, in the present embodiment 2, owing to make with the end 23b of the 2nd upper side isolation beam body 23 of each the alternate adjacent side of side plate 20b that is positioned at insulating frame 20 recessedly towards the 1st upper side isolation beam body 21 sides, therefore can further increase the insulation creepage distance, can further improve insulation characterisitic.In addition, along with the further increase of insulation creepage distance, the miniaturization of insulating frame 20 and then the miniaturization of circuit breaker also further become possibility.
According to Fig. 6 and Fig. 7 embodiments of the present invention 3 are described.Fig. 6 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 3.Fig. 7 is the front view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 3.
Among each figure, symbol 20 is insulating frames, symbol 20a is the substrate of insulating frame 20, symbol 20b is the side plate of insulating frame 20, and symbol 22 is upper side terminal conductors, and symbol 22a is an end of upper side terminal conductor 22, symbol 22b is the pars intermedia of upper side terminal conductor 22, symbol 22c is the other end of upper side terminal conductor 22, and symbol 24 is lower side isolation beam bodies, and symbol 25 is dividing plates.
Like this, present embodiment 3 also plays the effect same with above-mentioned execution mode 1.In addition, by making the 1st upper side isolation beam body 26 and the 2nd upper side isolation beam body 27 form roughly trapezoidal shape, can increase the rigidity of these the 1st upper side isolation beam bodies 26 and the 2nd upper side isolation beam body 27, can obtain and above-mentioned execution mode 1 circuit breaker that further improves of specific strength, rigidity mutually.
Execution mode 4
According to Fig. 8 and Fig. 9 embodiments of the present invention 4 are described.Fig. 8 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 4.Fig. 9 is the front view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 4.
Among each figure, symbol 20 is insulating frames, symbol 20a is the substrate of insulating frame 20, symbol 20b is the side plate of insulating frame 20, and symbol 22 is upper side terminal conductors, and symbol 22a is an end of upper side terminal conductor 22, symbol 22b is the pars intermedia of upper side terminal conductor 22, symbol 22c is the other end of upper side terminal conductor 22, and symbol 24 is lower side isolation beam bodies, and symbol 25 is dividing plates.
Like this, present embodiment 4 is also same with above-mentioned execution mode 1, can improve cooling performance.In addition, same with above-mentioned execution mode 3, can obtain the circuit breaker that intensity, rigidity further improve
According to Figure 10 embodiments of the present invention 5 are described.Figure 10 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 5.
Among Figure 10, symbol 20 is insulating frames, symbol 20a is the substrate of insulating frame 20, symbol 20b is the side plate of insulating frame 20, and symbol 22 is upper side terminal conductors, and symbol 22a is an end of upper side terminal conductor 22, symbol 22b is the pars intermedia of upper side terminal conductor 22, symbol 22c is the other end of upper side terminal conductor 22, and symbol 24 is lower side isolation beam bodies, and symbol 25 is dividing plates.
Like this, present embodiment 5 also plays the effect same with above-mentioned execution mode 4.In addition, in the present embodiment 5, owing to be formed with the inclined plane respectively at the both ends 30b and the 31b of the 1st upper side isolation beam body 30 and the 2nd upper side isolation beam body 31, when the water droplet that dewfall produced of the equipment that circuit breaker is set is fallen on the 1st upper side isolation beam body 30 and the 2nd upper side isolation beam body 31, water flows down along the 1st upper side isolation beam body 30 and the both ends 30b of the 2nd upper side isolation beam body 31 and the inclined plane of 31b, can not produce and accumulate, therefore, can obtain can not cause the circuit breaker of the high reliability that insulation property reduce because of dewfall.
In addition, sometimes having dust in the environment around the circuit breaker exists, dust also is difficult for lodging in the 1st upper side isolation beam body 30 and the both ends 30b of the 2nd upper side isolation beam body 31 and the inclined plane of 31b under this situation, can flow down along this inclined plane, can not produce and accumulate, therefore, can obtain can not cause the circuit breaker of the high reliability that insulation property reduce because of dust.
Execution mode 6
According to Figure 11 and Figure 12 embodiments of the present invention 6 are described.Figure 11 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 6.Figure 12 is the front view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 6.
Among each figure, symbol 20 is insulating frames, symbol 20a is the substrate of insulating frame 20, symbol 20b is the side plate of insulating frame 20, and symbol 22 is upper side terminal conductors, and symbol 22a is an end of upper side terminal conductor 22, symbol 22b is the pars intermedia of upper side terminal conductor 22, symbol 22c is the other end of upper side terminal conductor 22, and symbol 24 is lower side isolation beam bodies, and symbol 25 is dividing plates.
Like this, present embodiment 6 is also same with above-mentioned execution mode 1, can improve cooling performance.In addition, same with above-mentioned execution mode 3, can obtain the circuit breaker that intensity, rigidity further improve
According to Figure 13 embodiments of the present invention 7 are described.Figure 13 is the vertical view of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 7.
In the present embodiment 7, make with the end 33b of the 2nd upper side isolation beam body 33 of each the alternate adjacent side of side plate 20b that is positioned at insulating frame 20 recessed towards the 1st upper side isolation beam body 32 sides.The pars intermedia 22b of upper side terminal conductor 22 is installed on the central portion 23a of the 2nd upper side isolation beam body 33, disposes another distolateral 22c that pars intermedia 22b from then on stretches out towards not shown main circuit contact side.But, in the present embodiment 7, recessed by making towards the 1st upper side isolation beam body 21 sides with the end 33b of the 2nd upper side isolation beam body 33 of each the alternate adjacent side of side plate 20b that is positioned at insulating frame 20, can further increase the insulation creepage distance, can further improve insulation characterisitic.In addition, along with the further increase of insulation creepage distance, the miniaturization of insulating frame 20 and then the miniaturization of circuit breaker also further become possibility.
According to Figure 14 embodiments of the present invention 8 are described.Figure 14 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 8.
Among Figure 14, symbol 20 is insulating frames, symbol 20a is the substrate of insulating frame 20, symbol 20b is the side plate of insulating frame 20, and symbol 22 is upper side terminal conductors, and symbol 22a is an end of upper side terminal conductor 22, symbol 22b is the pars intermedia of upper side terminal conductor 22, symbol 22c is the other end of upper side terminal conductor 22, and symbol 24 is lower side isolation beam bodies, and symbol 25 is dividing plates.
Like this, present embodiment 8 also plays the effect same with above-mentioned execution mode 6.In addition, in the present embodiment 8, owing to be formed with the inclined plane respectively at the both ends 34b and the 35b of the 1st upper side isolation beam body 34 and the 2nd upper side isolation beam body 35, therefore when the water droplet that dewfall produced of the equipment that circuit breaker is set is fallen on the 1st upper side isolation beam body 34 and the 2nd upper side isolation beam body 35, water flows down along the 1st upper side isolation beam body 34 and the both ends 34b of the 2nd upper side isolation beam body 35 and the inclined plane of 35b, can not produce and accumulate, therefore, can obtain can not cause the circuit breaker of the high reliability that insulation property reduce because of dewfall.
In addition, sometimes having dust in the environment around the circuit breaker exists, dust also is difficult for lodging in the 1st upper side isolation beam body 34 and the both ends 34b of the 2nd upper side isolation beam body 35 and the inclined plane of 35b under this situation, can flow down along this inclined plane, can not produce and accumulate, therefore, can obtain can not cause the circuit breaker of the high reliability that insulation property reduce because of dust.
According to Figure 15 embodiments of the present invention 9 are described.Figure 15 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 9.
Among Figure 15, symbol 20 is insulating frames, symbol 20a is the substrate of insulating frame 20, symbol 20b is the side plate of insulating frame 20, and symbol 22 is upper side terminal conductors, and symbol 22a is an end of upper side terminal conductor 22, symbol 22b is the pars intermedia of upper side terminal conductor 22, symbol 22c is the other end of upper side terminal conductor 22, and symbol 24 is lower side isolation beam bodies, and symbol 25 is dividing plates.
Like this, present embodiment 9 also plays the effect same with above-mentioned execution mode 6.In addition, in the present embodiment 9, the central portion 36a of the 1st upper side isolation beam body 36 and the 2nd upper side isolation beam body 37 and the groove width of 37a form broad, the load capacity that can play corresponding rated current freely changes the effect of the width of upper side terminal conductor 22.
According to Figure 16 embodiments of the present invention 10 are described.Figure 16 is the stereogram of insulating frame structure body of the circuit breaker of expression embodiment of the present invention 10.
Among Figure 16, symbol 20 is insulating frames, symbol 20a is the substrate of insulating frame 20, symbol 20b is the side plate of insulating frame 20, and symbol 22 is upper side terminal conductors, and symbol 22a is an end of upper side terminal conductor 22, symbol 22b is the pars intermedia of upper side terminal conductor 22, symbol 22c is the other end of upper side terminal conductor 22, and symbol 24 is lower side isolation beam bodies, and symbol 25 is dividing plates.
Like this, present embodiment 10 also plays the effect same with above-mentioned execution mode 9.In addition, in the present embodiment 10, owing to be formed with the inclined plane respectively at the both ends 38b and the 39b of the 1st upper side isolation beam body 38 and the 2nd upper side isolation beam body 39, therefore when the water droplet that dewfall produced of the equipment that circuit breaker is set is fallen on the 1st upper side isolation beam body 38 and the 2nd upper side isolation beam body 39, water flows down along the 1st upper side isolation beam body 38 and the both ends 38b of the 2nd upper side isolation beam body 39 and the inclined plane of 39b, can not produce and accumulate, therefore, can obtain can not cause the circuit breaker of the high reliability that insulation property reduce because of dewfall.
In addition, sometimes having dust in the environment around the circuit breaker exists, dust also is difficult for lodging in the 1st upper side isolation beam body 38 and the both ends 38b of the 2nd upper side isolation beam body 39 and the inclined plane of 39b under this situation, can flow down along this inclined plane, can not produce and accumulate, therefore, can obtain can not cause the circuit breaker of the high reliability that insulation property reduce because of dust.
The present invention relates to a kind of delivery electricity equipment that electric power for example uses or circuit breaker of power receiving equipment of being applied to, be suitable for realizing to improve by simple structure the circuit breaker of cooling performance.
Claims (10)
1. circuit breaker, comprise: insulating frame (20), this insulating frame constitutes the horizontal direction cross section by the pair of side plates (20b) of substrate (20a) and relative configuration on the direction vertical with described substrate (20a) and is roughly U word shape, and end has opening in vertical direction; Vacuum interrupter (1), this vacuum interrupter (1) are configured in the described insulating frame (20); And upper side terminal conductor (22) and lower side terminal conductor, this upper side terminal conductor (22) is connected with the bottom with the lower side terminal conductor and the upper end of described vacuum interrupter (1) and is exported to the outside, it is characterized in that, comprising:
The 1st upper side isolation beam body (21,26,28,30,32,34,36,38), the 1st upper side isolation beam body (21,26,28,30,32,34,36,38) is crossed between described side plate (20b) in the upper end of the substrate (20a) of described insulating frame (20), and central portion is equipped with an end of described upper side terminal conductor (22); And
The 2nd upper side isolation beam body (23,27,29,31,33,35,37,39), the 2nd upper side isolation beam body (23,27,29,31,33,35,37,39) is crossed between described side plate (20b) in the upper end of the side plate (20b) of described insulating frame (20) and at described U word shape openend, and central portion is equipped with the pars intermedia of the described upper side terminal conductor (22) that stretches out from an end of described upper side terminal conductor (22).
2. circuit breaker as claimed in claim 1 is characterized in that, the central portion of described the 1st upper side isolation beam body (21,26,28,30) and described the 2nd upper side isolation beam body (23,27,29,31) adopts the structure more outstanding towards the top than both ends.
3. circuit breaker as claimed in claim 1 is characterized in that, the central portion of described the 1st upper side isolation beam body (36,38) and described the 2nd upper side isolation beam body (37,39) constitutes with groove shape portion.
4. as each described circuit breaker in the claim 1 to 3, it is characterized in that the both ends of described the 1st upper side isolation beam body (21,26,30,34,38) and described the 2nd upper side isolation beam body (23,27,31,35,39) are formed with the inclined plane.
5. as each described circuit breaker in the claim 1 to 3, it is characterized in that described the 1st upper side isolation beam body (21,26,28,30,32,34,36,38) and described the 2nd upper side isolation beam body (23,27,29,31,33,35,37,39) constitute one with described insulating frame (20).
6. circuit breaker as claimed in claim 4, it is characterized in that described the 1st upper side isolation beam body (21,26,28,30,32,34,36,38) and described the 2nd upper side isolation beam body (23,27,29,31,33,35,37,39) constitute one with described insulating frame (20).
7. as each described circuit breaker in the claim 1 to 3, it is characterized in that, be provided with lower side isolation beam body (24), this lower side isolation beam body (24) is in the lower side of described the 2nd upper side isolation beam body (23,27,29,31,33,35,37,39) and be that described U word shape openend is crossed between described side plate (20b), and the leading-out portion of described lower side terminal conductor is installed.
8. circuit breaker as claimed in claim 4, it is characterized in that, be provided with lower side isolation beam body (24), this lower side isolation beam body (24) is crossed between described side plate (20b) in the lower side of described the 2nd upper side isolation beam body (23,27,29,31,33,35,37,39) and at described U word shape openend, and the leading-out portion of described lower side terminal conductor is installed.
9. circuit breaker as claimed in claim 5, it is characterized in that, be provided with lower side isolation beam body (24), this lower side isolation beam body (24) is crossed between described side plate (20b) in the lower side of described the 2nd upper side isolation beam body (23,27,29,31,33,35,37,39) and at described U word shape openend, and the leading-out portion of described lower side terminal conductor is installed.
10. circuit breaker as claimed in claim 6, it is characterized in that, be provided with lower side isolation beam body (24), this lower side isolation beam body (24) is crossed between described side plate (20b) in the lower side of described the 2nd upper side isolation beam body (23,27,29,31,33,35,37,39) and at described U word shape openend, and the leading-out portion of described lower side terminal conductor is installed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009129236A JP5215238B2 (en) | 2009-05-28 | 2009-05-28 | Breaker |
| JP2009-129236 | 2009-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101901715A true CN101901715A (en) | 2010-12-01 |
| CN101901715B CN101901715B (en) | 2013-01-23 |
Family
ID=43227166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102080480A Active CN101901715B (en) | 2009-05-28 | 2009-10-19 | Circuit breaker |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5215238B2 (en) |
| KR (1) | KR101050572B1 (en) |
| CN (1) | CN101901715B (en) |
| TW (1) | TWI412050B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10153110B2 (en) * | 2015-06-05 | 2018-12-11 | Mitsubishi Electric Corporation | Vacuum circuit breaker |
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|---|---|---|---|---|
| CN1093198A (en) * | 1993-04-03 | 1994-10-05 | 梅兰日兰公司 | The jockey of model low voltage breaker |
| CN1200551A (en) * | 1997-05-23 | 1998-12-02 | 三菱电机株式会社 | Switch |
| CN1427998A (en) * | 2000-05-09 | 2003-07-02 | 伊顿公司 | Power circuit breaker with gap between molded insulative casing and grounded barrier insulating operating mechanism |
| WO2004086437A1 (en) * | 2003-03-26 | 2004-10-07 | 'tavrida Electric Industrial Group' | Vacuum circuit breaker |
| US20070261946A1 (en) * | 2006-05-11 | 2007-11-15 | Ls Industrial Systems Co., Ltd. | Solid insulated disconnection switch and solid insulated switchgear using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5217726Y1 (en) * | 1970-11-26 | 1977-04-21 | ||
| JPS5314915Y2 (en) * | 1971-10-15 | 1978-04-20 | ||
| JPS5548691U (en) * | 1978-09-26 | 1980-03-29 | ||
| JPS5697926A (en) * | 1980-01-07 | 1981-08-07 | Meidensha Electric Mfg Co Ltd | Vacuum switch |
| FR2683089B1 (en) * | 1991-10-29 | 1993-12-31 | Merlin Gerin | OPERATING MECHANISM FOR TETRAPOLAR CIRCUIT BREAKER. |
| KR0166773B1 (en) * | 1995-12-29 | 1999-01-15 | 이종수 | Vacuum circuit breaker |
| JPH1141722A (en) * | 1997-07-24 | 1999-02-12 | Mitsubishi Electric Corp | Switch |
| JP2002231112A (en) * | 2001-02-06 | 2002-08-16 | Nissin Electric Co Ltd | Circuit breaker unit, and insulating support frame for it |
| JP3972782B2 (en) * | 2002-09-26 | 2007-09-05 | 富士電機機器制御株式会社 | Circuit breaker |
| JP4395023B2 (en) * | 2003-11-04 | 2010-01-06 | 三菱電機株式会社 | Circuit breaker |
| JP4360234B2 (en) * | 2004-03-12 | 2009-11-11 | 三菱電機株式会社 | Gas insulated switchgear |
| JP2006140038A (en) * | 2004-11-12 | 2006-06-01 | Toshiba Corp | Vacuum interrupter |
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2009
- 2009-05-28 JP JP2009129236A patent/JP5215238B2/en active Active
- 2009-08-07 KR KR1020090072763A patent/KR101050572B1/en active IP Right Grant
- 2009-10-19 CN CN2009102080480A patent/CN101901715B/en active Active
- 2009-10-19 TW TW098135226A patent/TWI412050B/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093198A (en) * | 1993-04-03 | 1994-10-05 | 梅兰日兰公司 | The jockey of model low voltage breaker |
| CN1200551A (en) * | 1997-05-23 | 1998-12-02 | 三菱电机株式会社 | Switch |
| CN1427998A (en) * | 2000-05-09 | 2003-07-02 | 伊顿公司 | Power circuit breaker with gap between molded insulative casing and grounded barrier insulating operating mechanism |
| WO2004086437A1 (en) * | 2003-03-26 | 2004-10-07 | 'tavrida Electric Industrial Group' | Vacuum circuit breaker |
| US20070261946A1 (en) * | 2006-05-11 | 2007-11-15 | Ls Industrial Systems Co., Ltd. | Solid insulated disconnection switch and solid insulated switchgear using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010277849A (en) | 2010-12-09 |
| KR20100129113A (en) | 2010-12-08 |
| CN101901715B (en) | 2013-01-23 |
| TWI412050B (en) | 2013-10-11 |
| TW201042694A (en) | 2010-12-01 |
| KR101050572B1 (en) | 2011-07-19 |
| JP5215238B2 (en) | 2013-06-19 |
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